| Question |
 |
|
| Answer |
 |
|
| Flap 3 |
 |
|
| Nitrates are converted into atmospheric nitrogen |
Denitrification |
Denitrifying bacteria |
| The release of nitrogen from dead materials and wastes |
Decomposition |
Bacteria and Fungi |
| How do animals obtain a supply of nitrogen? |
They must eat plant and/or animal protein. |
Animals are unable to synthesise proteins. |
| Bacteria convert atmospheric nitrogen into useable nitrogen compounds |
Nitrogen Fixation |
1) Bacteria present in root nodules
2) Lightening
3) The Haber Process |
| The process of bacteria converting ammonium compounds into nitrates. |
Nitrification |
Nitrifying bacteria |